If its a ONE WIRE alternator its big output stud wires to the Load (NOT battery/starter) side of the ammeter. Thats where the wire that used to go to BAT on the Voltage Regulator wired, but Id replace it with a new 10 Gauge wire......
If you hooked up Load and Bat and other wires on the old VR wiring you could be backfeeding the coil, I cant say sitting here how you have things wired up now.
Id unhook and not connect any old VR wiring and simply run a wire from the alternators output up to the Load side of the ammeter. Absent any LOAD terminal on an old VR Id wire all loads (lights and ignition etc) to the load side of the ammeter, same side the alternator now wires to. )
If you changed from Pos to Neg ground Id also swap coil wires side to side, you want the coils - to the distributor for Neg ground.
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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